diff options
Diffstat (limited to 'perl-install/run_program.pm')
-rw-r--r-- | perl-install/run_program.pm | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/perl-install/run_program.pm b/perl-install/run_program.pm deleted file mode 100644 index 26b73a2d0..000000000 --- a/perl-install/run_program.pm +++ /dev/null @@ -1,157 +0,0 @@ -package run_program; # $Id$ - -use diagnostics; -use strict; -use c; - -use MDK::Common; -use log; - -1; - -sub run_or_die { - my ($name, @args) = @_; - run($name, @args) or die "$name failed\n"; -} -sub rooted_or_die { - my ($root, $name, @args) = @_; - rooted($root, $name, @args) or die "$name failed\n"; -} - -sub get_stdout { - my ($name, @args) = @_; - my @r; - run($name, '>', \@r, @args) or return; - wantarray() ? @r : join('', @r); -} -sub rooted_get_stdout { - my ($root, $name, @args) = @_; - my @r; - rooted($root, $name, '>', \@r, @args) or return; - wantarray() ? @r : join('', @r); -} - -sub run { raw({}, @_) } - -sub rooted { - my ($root, $name, @args) = @_; - raw({ root => $root }, $name, @args); -} - -sub raw { - my ($options, $name, @args) = @_; - my $root = $options->{root} || ''; - my $real_name = ref($name) ? $name->[0] : $name; - - my ($stdout_raw, $stdout_mode, $stderr_raw, $stderr_mode); - ($stdout_mode, $stdout_raw, @args) = @args if $args[0] =~ /^>>?$/; - ($stderr_mode, $stderr_raw, @args) = @args if $args[0] =~ /^2>>?$/; - - my $args = $options->{sensitive_arguments} ? '<hidden arguments>' : join(' ', @args); - log::explanations("running: $real_name $args" . ($root ? " with root $root" : "")); - - return if $root && $<; - - $root ? ($root .= '/') : ($root = ''); - - $ENV{HOME} || $::isInstall or $ENV{HOME} = '/root'; - my $tmpdir = sub { - my $dir = "$ENV{HOME}/tmp"; - -d $dir or mkdir($dir, 0700); - $dir; - }; - my $stdout = $stdout_raw && (ref($stdout_raw) ? $tmpdir->() . "/.drakx-stdout.$$" : "$root$stdout_raw"); - my $stderr = $stderr_raw && (ref($stderr_raw) ? $tmpdir->() . "/.drakx-stderr.$$" : "$root$stderr_raw"); - - if (my $pid = fork()) { - if ($options->{detach}) { - $pid; - } else { - my $ok; - eval { - local $SIG{ALRM} = sub { die "ALARM" }; - alarm($options->{timeout} || 10 * 60); - waitpid $pid, 0; - $ok = $? == 0; - alarm 0; - }; - if ($@) { - log::l("ERROR: killing runaway process (process=$real_name, pid=$pid, args=@args, error=$@)"); - kill 9, $pid; - return; - } - - if ($stdout_raw && ref($stdout_raw)) { - if (ref($stdout_raw) eq 'ARRAY') { - @$stdout_raw = cat_($stdout); - } else { - $$stdout_raw = cat_($stdout); - } - unlink $stdout; - } - if ($stderr_raw && ref($stderr_raw)) { - if (ref($stderr_raw) eq 'ARRAY') { - @$stderr_raw = cat_($stderr); - } else { - $$stderr_raw = cat_($stderr); - } - unlink $stderr; - } - $ok; - } - } else { - sub die_exit { - log::l($_[0]); - c::_exit(128); - } - if ($stderr && $stderr eq 'STDERR') { - } elsif ($stderr) { - $stderr_mode =~ s/2//; - open STDERR, "$stderr_mode $stderr" or die_exit("run_program can not output in $stderr (mode `$stderr_mode')"); - } elsif ($::isInstall) { - open STDERR, ">> /tmp/ddebug.log" or open STDOUT, ">> /dev/tty7" or die_exit("run_program can not log, give me access to /tmp/ddebug.log"); - } - if ($stdout && $stdout eq 'STDOUT') { - } elsif ($stdout) { - open STDOUT, "$stdout_mode $stdout" or die_exit("run_program can not output in $stdout (mode `$stdout_mode')"); - } elsif ($::isInstall) { - open STDOUT, ">> /tmp/ddebug.log" or open STDOUT, ">> /dev/tty7" or die_exit("run_program can not log, give me access to /tmp/ddebug.log"); - } - - $root and chroot $root; - chdir "/"; - - my $ok = ref $name ? do { - exec { $name->[0] } $name->[1], @args; - } : do { - exec $name, @args; - }; - if (!$ok) { - die_exit("exec of $real_name failed: $!"); - } - } - -} - -# run in background a sub that give back data through STDOUT a la run_program::get_stdout but w/ arbitrary perl code instead of external program -package bg_command; - -sub new { - my ($class, $sub) = @_; - my $o = bless {}, $class; - if ($o->{pid} = open(my $fd, "-|")) { - $o->{fd} = $fd; - $o; - } else { - $sub->(); - c::_exit(0); - } -} - -sub DESTROY { - my ($o) = @_; - close $o->{fd} or warn "kid exited $?"; - waitpid $o->{pid}, 0; -} - -1; |